from nltk.tokenize import word_tokenize
#下载语料库
#import nltk
#nltk.download()

str = "UK Prime Minister Rishi Sunak spoke to Israeli Prime Minister Benjamin Netanyahu on Tuesday. On the call, he described the situation in Gaza as \"increasingly intolerable\" and \"demanded a thorough and transparent independent investigation\" into the killing of the aid workers."
print(word_tokenize(str))